![Arbor Scientific Tuning Fork Set 255Hz and 256Hz](http://www.arborsci.com/cdn/shop/products/TuningForkSet255Hzand256Hz1500x1000_1445x.jpg?v=1591812362)
Additional Details
255Hz and 256Hz forks, to demonstrate beat phenomena. Our precision-tooled aluminum forks won't rust or tarnish, so they'll last for years. All of our forks are tuned to a tolerance of +/- .5% tuning.
Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.